OpenTechnical

OT-2026-000059493

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000059493) never changes.

Identity and time

Publication numberOT-2026-000059493 · never reused
Internal UUID01a0ae89-8619-71cc-a871-53862b8bc2c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059493
StatusPUBLIC

Content hashes

Canonical text45e7772aa24365cdc0282b375af76065a2ca8f52b041d55c5254ee8f4c810157
Markdownd6e536f3ad59159a859c3cdc2024a9b662bb1cc84726c144895c91ed2041bf4b
PDF
Publication page84c0663f893d66f8da3d851b55494e0d589430186786e41843cae4df3ed40171
Manifest4a1ef577d01d3fd7ea247e556e5a0ec39522258ee634143b93183a2c9fbf9f18

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureXx9OhmjNF4kzDNLtv+Dq/P72iAy5vT5yxpYLr6hUpDO2z0yPnMU8ts6LfgKBqlG9/c34YkLJDwv7KQunNdVICg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:12.100761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059493
observed 84c0663f893d66f8da3d851b55494e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:12.083459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059493/manifest.json
observed 4a1ef577d01d3fd7ea247e556e5a0ec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:12.064549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059493/publication.md
observed d6e536f3ad59159a859c3cdc2024a9b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:12.046988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059493/publication.txt
observed 45e7772aa24365cdc0282b375af76065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.